import java.sql.*; 

 public class test {
    public static void main(String[] srg) {
       String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver";   //加载JDBC驱动
        String dbURL = "jdbc:sqlserver://192.168.0.112:1433; DatabaseName=trade";   //连接服务器和数据库test
       String userName = "sa";   //默认用户名
       String userPwd = "123";   //密码
       Connection dbConn;
       try {
           Class.forName(driverName);
           dbConn = DriverManager.getConnection(dbURL, userName, userPwd);
           System.out.println("Connection Successful!");   //如果连接成功 控制台输出Connection Successful!
       } catch (Exception e) {
            e.printStackTrace();
       }
    }
}